FERRÁNDEZ, A.; MIQUEL, V. Hermitian natural tensors. MATHEMATICA SCANDINAVICA, [S. l.], v. 64, p. 233–250, 1989. DOI: 10.7146/math.scand.a-12256. Disponível em: https://www.mscand.dk/article/view/12256. Acesso em: 2 may. 2024.